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Layered and nanotubular systems that are metallic or graphitic are known to exhibit unusual dispersive van der Waals (vdW) power laws under some circumstances. In this letter we investigate the vdW power laws of bulk and finite layered…

Materials Science · Physics 2012-08-28 Tim Gould , Evan Gray , John F. Dobson

We show that the usual sum of $R^{-6}$ contributions from elements separated by distance $R$ can give \emph{qualitatively} wrong results for the electromagnetically non-retarded van der Waals interaction between non-overlapping bodies. This…

Soft Condensed Matter · Physics 2009-11-11 John F. Dobson , Angela White , Angel Rubio

The van der Waals (vdW) interaction plays a prominent role between neutral objects at separations where short ranged chemical forces are negligible. This type of dispersive coupling is determined by the interplay between geometry and…

Mesoscale and Nanoscale Physics · Physics 2022-06-02 Dai-Nam Le , Pablo Rodriguez-Lopez , Lilia M. Woods

We propose the nano-scale displacement sensor with high resolution for weak-force systems could be realized based on vertical stacked two-dimensional (2D) atomic corrugated layer materials bound through Van der Waals (VdW) interaction.…

Materials Science · Physics 2015-06-11 Lin Hu , Jin Zhao , Jinlong Yang

Van der Waals interactions are ubiquitous and they play an important role for the stability of materials. Current understanding of this type of coupling is based on linear response theory, while optical nonlinearities are rarely considered…

Materials Science · Physics 2024-08-27 Dai-Nam Le , Pablo Rodriguez-Lopez , Lilia M. Woods

Van der Waals forces as interactions between neutral and polarisable particles act at small distances between two objects. Their theoretical origin lies in the electromagnetic interaction between induced dipole moments caused by the vacuum…

Chemical Physics · Physics 2019-06-05 Johannes Fiedler , Clas Persson , Mathias Boström , Stefan Y. Buhmann

We evaluate the van der Waals (vdW) interaction energy at zero temperature between two undoped strained graphene layers separated by a finite distance. We consider the following three models for the anisotropic case: (a) where one of the…

Materials Science · Physics 2014-06-25 Anand Sharma , Peter Harnish , Alexander Sylvester , Valeri N. Kotov , A. H. Castro Neto

In a recent paper, it was shown that, under the action of the lateral van der Waals (vdW) force due to a perfectly conducting corrugated surface, a neutral anisotropic polarizable particle in vacuum can be attracted not only to the nearest…

Quantum Physics · Physics 2021-12-15 Lucas Queiroz , Edson C. M. Nogueira , Danilo T. Alves

We derive the complete form of the van der Waals dispersion interaction between two infinitely long anisotropic semiconducting/insulating thin cylinders at all separations. The derivation is based on the general theory of dispersion…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Šiber , R. F. Rajter , R. H. French , W. Y. Ching , V. A. Parsegian , R. Podgornik

We analyse van der Waals interactions between a pair of dielectrically anisotropic plane-layered media interacting across a dielectrically isotropic solvent medium. We develop a general formalism based on transfer matrices to investigate…

Soft Condensed Matter · Physics 2016-07-29 Bing-Sui Lu , Rudolf Podgornik

The equilibrium binding energy is an important factor in the design of materials and devices. However, it presents great computational challenges for materials built up from nanostructures. Here we investigate the binding-energy scaling law…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Jianmin Tao , Yang Jiao , Yuxiang Mo , Zeng-Hui Yang , Jian-Xin Zhu , Per Hyldgaard , John P. Perdew

Recent investigations have highlighted the failure of a sum of $R^{-6}$ terms to represent the dispersion interaction in parallel metallic, anisotropic, linear or planar nanostructures [J. F. Dobson, A. White, and A. Rubio, Phys. Rev. Lett.…

Soft Condensed Matter · Physics 2013-05-29 Angela White , John F. Dobson

Filamentary objects such as nano-wires, nanotubes and DNA are of current interest in physics, nanoscience, chemistry, biology and medicine. They can interact via strong, exceptionally long-ranged many-object van der Waals (vdW, dispersion)…

Materials Science · Physics 2026-02-24 Subhojit Pal , John F. Dobson , Mathias Boström

We explain in depth the previously proposed theory of the coherent Van der Waals(cVdW) interaction - the counterpart of Van der Waals (VdW) force - emerging in spatially coherently fluctuating electromagnetic fields. We show that cVdW…

Soft Condensed Matter · Physics 2015-06-22 Igor M. Kulic , Miodrag L. Kulic

We study the van der Waals interaction of a metallic or narrow-gap semiconducting nanowire with a surface, in the regime of intermediate wire-surface distances $(v_{F}/c)L \ll d \ll L $ or $L \ll d \ll (c/v_{F})L $, where $L$ is the…

Strongly Correlated Electrons · Physics 2017-09-27 K. A. Makhnovets , A. K. Kolezhuk

Two-dimensional van der Waals (vdW) materials hold the potential for ultra-scaled ferroelectric (FE) devices due to their silicon compatibility and robust polarization down to atomic scale. However, the inherently weak vdW interactions…

Van der Waals interactions between flat surfaces in uniaxial anisotropic media are investigated in the nonretarded limit. The main focus is the effect of nonzero tilt between the optical axis and the surface normal on the strength of van…

Soft Condensed Matter · Physics 2018-03-13 Pavel Kornilovitch

This paper presents a detailed analysis of the three-dimensional stability properties of an annular liquid film coating a cylindrical fibre in the presence of van der Waals (vdW) interactions, whose influence depends on the wettability of…

Fluid Dynamics · Physics 2023-11-27 D. Moreno-Boza , A. Sevilla

We investigate the character of the van der Waals (vdW) torque and force between two coplanar and dielectrically anisotropic topological insulator (TI) slabs separated by a vacuum gap in the non-retardation regime, where the optic axes of…

Mesoscale and Nanoscale Physics · Physics 2018-01-29 Bing-Sui Lu

We calculate the van der Waals friction between two semi-infinite solids in normal relative motion and find a drastic difference in comparison with the parallel relative motion. The case of the good conductors is investigated in details…

Materials Science · Physics 2009-11-11 A. I. Volokitin , B. N. J. Persson
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